package com.collection.hashsets;

import java.util.HashSet;

public class CheckElementHashSetExample {
	  public static void main(String[] args) {
		  
		    //create object of HashSet
		    HashSet hSet = new HashSet();
		   
		    //add elements to HashSet object
		    hSet.add(new Integer("1"));
		    hSet.add(new Integer("2"));
		    hSet.add(new Integer("3"));
		 
		    /*
		      To check whether a particular value exists in HashSet use
		      boolean contains(Object value) method of HashSet class.
		      It returns true if the HashSet contains the value, otherwise false.
		    */
		   
		    boolean blnExists = hSet.contains(new Integer("3"));
		    System.out.println("3 exists in HashSet ? : " + blnExists);
		 
		  }
}
